xref: /netbsd-src/sys/arch/arm/include/disklabel.h (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: disklabel.h,v 1.4 2003/10/08 04:25:44 lukem Exp $	*/
2 
3 /*
4  * Copyright (c) 1994 Mark Brinicombe.
5  * Copyright (c) 1994 Brini.
6  * All rights reserved.
7  *
8  * This code is derived from software written for Brini by Mark Brinicombe
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by Brini.
21  * 4. The name of the company nor the name of the author may be used to
22  *    endorse or promote products derived from this software without specific
23  *    prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
26  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  * RiscBSD kernel project
38  *
39  * disklabel.h
40  *
41  * machine specific disk label info
42  *
43  * Created      : 04/10/94
44  */
45 
46 #ifndef _ARM_DISKLABEL_H_
47 #define _ARM_DISKLABEL_H_
48 
49 #define LABELSECTOR	1		/* sector containing label */
50 #define LABELOFFSET	0		/* offset of label in sector */
51 #define MAXPARTITIONS	8		/* number of partitions */
52 #define RAW_PART	2		/* raw partition: XX?c */
53 
54 #include <sys/dkbad.h>
55 #include <sys/disklabel_acorn.h>
56 #include <sys/bootblock.h>
57 
58 struct cpu_disklabel {
59 	struct mbr_partition mbrparts[MBR_PART_COUNT];
60 	struct dkbad bad;
61 };
62 
63 #ifdef _KERNEL
64 struct buf;
65 struct disklabel;
66 
67 /* for readdisklabel.  rv != 0 -> matches, msg == NULL -> success */
68 int	mbr_label_read __P((dev_t, void (*)(struct buf *), struct disklabel *,
69 	    struct cpu_disklabel *, char **, int *, int *));
70 
71 /* for writedisklabel.  rv == 0 -> dosen't match, rv > 0 -> success */
72 int	mbr_label_locate __P((dev_t, void (*)(struct buf *),
73 	    struct disklabel *, struct cpu_disklabel *, int *, int *));
74 #endif /* _KERNEL */
75 
76 #endif /* _ARM_DISKLABEL_H_ */
77